I had my Clifford 650 sorted out a week and a half ago. Most Cliffords being a pain are down to poor installs. The guy that sorted mine used to run the company that is the distributor over here in the UK (Directed)
I'll forward this thread to him to see if he has an idea for you

P.s he can't look at is as he is the opposite end of the country to you.
Edit: I've got a reply back from him:
Can you locate the actual control unit, and post the model of the unit, if no model sticker a serial number will do.
Take a photo of the valet switch and post that if you cant find the unit.
There is a possibility that it is the waso unit at fault, but tbh looking at the absolute abortion under your dash it could actually be anything.
He can help eliminate the alarm from the equation given the info above.